Re: [FRIAM] starlink trail

Daniel Suarez’s latest book, Delta-V, is great read - lots about the junk in orbit, the futility of Mars, and the viability of asteroid mining. Even has a Musk type ‘hero’. dve west On Mon, May 27, 2019, at 9:12 PM, Steven A Smith wrote: > > > I was born "under the rising sign of Sputnik" in

[FRIAM] These Hidden Women Helped Invent Chaos Theory

Perhaps of interest https://bre.is/tPPmf7_cl TJ Tom Johnson - t...@jtjohnson.com Institute for Analytic Journalism -- Santa Fe, NM USA 505.577.6482(c)505.473.9646(h) *NM Foundation for Open Government*

Re: [FRIAM] starlink trail

I was born "under the rising sign of Sputnik" in 1957 (S1 & S2 went up late that year).   I was just about 1 year old when Explorer 1 and then Vanguard 1 went up in early 1958. Vanguard 1, 2, 3 are still up there, being in an unusually high orbit for the time.   The crowdsource Moonwatch

Re: [FRIAM] causality

David, How have you been? The CMU group that I worked in and Pearl's group at UCLA worked in the same area. As I recall, he invented the concept of d-separation and our group created algorithms to use it in inferring causal models based on observational data (i.e. not experimental). My colleagu